{"id":20624,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/api-670\/"},"modified":"2026-07-03T09:53:58","modified_gmt":"2026-07-03T09:53:58","slug":"api-670","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/tt\/glossary\/api-670\/","title":{"rendered":"What is API 670? Machinery Protection Systems Standard"},"content":{"rendered":"<h1>Understanding the API 670 Standard<\/h1>\n\t\t<section class=\"woocommerce hestia-shop products is-shortcode\" id=\"products\" data-sorder=\"hestia_shop\" >\n\t\t\t\t\t\t<div class=\"\">\n\t\t\t\t\t\t<div class=\"hestia-shop-content\">\n\t\t\t<div class=\"row\" data-aos=\"fade-up\" >\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/tt\/product\/balanset-1\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/tt\/product\/balanset-1\/\" title=\"Portable balancer &#038; Vibration analyzer Balanset-1A\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A full kit portable balancer and vibration analyzer\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/tt\/product-category\/devices\/\" rel=\"tag\">Devices<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/tt\/product\/balanset-1\/\" title=\"Portable balancer &#038; Vibration analyzer Balanset-1A\">Portable balancer &#038; Vibration analyzer Balanset-1A<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>1,975.00<\/span> + VAT (if applicable)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/tt\/wp-json\/wp\/v2\/glossary\/20624?add-to-cart=986\" data-quantity=\"1\" data-product_id=\"986\" data-product_sku=\"BS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/tt\/wp-json\/wp\/v2\/glossary\/20624?add-to-cart=986\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_986\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"986\" data-product_sku=\"BS-1\" aria-label=\"Add to cart: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Add to cart<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_986\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/tt\/product\/vibration-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/tt\/product\/vibration-sensor\/\" title=\"Vibration sensor\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A vibration sensor close-up\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/tt\/product-category\/parts\/\" rel=\"tag\">Parts<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/tt\/product\/vibration-sensor\/\" title=\"Vibration sensor\">Vibration sensor<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>90.00<\/span> + VAT (if applicable)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/tt\/wp-json\/wp\/v2\/glossary\/20624?add-to-cart=1820\" data-quantity=\"1\" data-product_id=\"1820\" data-product_sku=\"VS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/tt\/wp-json\/wp\/v2\/glossary\/20624?add-to-cart=1820\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1820\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1820\" data-product_sku=\"VS-1\" aria-label=\"Add to cart: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Add to cart<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1820\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/tt\/product\/optical-sensor-for-balanset-and-arbalance\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/tt\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optical Sensor (Laser Tachometer)\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Optical Sensor (Laser Tachometer)\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1536x1023.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU.webp 1600w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/tt\/product-category\/parts\/\" rel=\"tag\">Parts<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/tt\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optical Sensor (Laser Tachometer)\">Optical Sensor (Laser Tachometer)<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>124.00<\/span> + VAT (if applicable)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/tt\/wp-json\/wp\/v2\/glossary\/20624?add-to-cart=1832\" data-quantity=\"1\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/tt\/wp-json\/wp\/v2\/glossary\/20624?add-to-cart=1832\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1832\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" aria-label=\"Add to cart: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Add to cart<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1832\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/tt\/product\/balanset-4\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/tt\/product\/balanset-4\/\" title=\"Balanset-4\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Vibromera rotor balancing kit: carry case, multi-channel signal conditioner, handheld analyzer, magnetic base, vibration sensors, and coiled cables.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4.webp 640w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/tt\/product-category\/devices\/\" rel=\"tag\">Devices<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/tt\/product\/balanset-4\/\" title=\"Balanset-4\">Balanset-4<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>6,803.00<\/span> + VAT (if applicable)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/tt\/wp-json\/wp\/v2\/glossary\/20624?add-to-cart=1833\" data-quantity=\"1\" data-product_id=\"1833\" data-product_sku=\"BS-4\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/tt\/wp-json\/wp\/v2\/glossary\/20624?add-to-cart=1833\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1833\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1833\" data-product_sku=\"BS-4\" aria-label=\"Add to cart: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Add to cart<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1833\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><!-- \/.row --><div class=\"row\">\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/tt\/product\/magnet-stand\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/tt\/product\/magnet-stand\/\" title=\"Magnetic Stand Insize-60-kgf\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Magnet base.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/tt\/product-category\/parts\/\" rel=\"tag\">Parts<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a 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https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-2048x1366.webp 2048w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-e1732998877834.webp 708w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/tt\/product-category\/devices\/\" rel=\"tag\">Devices<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/tt\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamic balancer \u201cBalanset-1A\u201d OEM\">Dynamic balancer \u201cBalanset-1A\u201d OEM<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>1,735.00<\/span> + VAT (if applicable)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/tt\/wp-json\/wp\/v2\/glossary\/20624?add-to-cart=4193\" data-quantity=\"1\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/tt\/wp-json\/wp\/v2\/glossary\/20624?add-to-cart=4193\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_4193\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" aria-label=\"Add to cart: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Add to cart<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_4193\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/section>\n\t\t\n<p><strong>API 670<\/strong> (American Petroleum Institute Standard 670: &#8220;Machinery Protection Systems&#8221;) is the globally recognised industry standard specifying minimum requirements for the vibration, temperature, and position monitoring systems that provide automatic alarming and shutdown protection for critical rotating machinery in the petroleum, chemical, and power-generation industries. It defines sensor types and quantities, alarm and trip functionality, redundancy requirements, testing procedures, and system-design criteria \u2014 all aimed at reliable <a href=\"https:\/\/vibromera.eu\/tt\/glossary\/machinery-protection\/\">machinery protection<\/a> against catastrophic failures. Where general guidance such as <a href=\"https:\/\/vibromera.eu\/tt\/glossary\/iso-20816-1\/\">ISO 20816<\/a> tells you how to <em>evaluate<\/em> vibration severity, API 670 tells you how to build the permanently installed system that <em>watches<\/em> the machine and trips it before it destroys itself.<\/p>\n<p>API 670 is commonly specified by purchasers for critical turbomachinery in hydrocarbon service \u2014 its applicability is defined by the purchaser, the machine&#8217;s criticality and the project specification rather than by any universal power threshold \u2014 and it is widely adopted as best practice well beyond the petroleum industry. It represents the consensus approach to protecting <a href=\"https:\/\/vibromera.eu\/tt\/glossary\/critical-machinery\/\">critical machinery<\/a>, weighing safety and reliability against practical implementation.<\/p>\n<h2>1. Scope and Applicability<\/h2>\n<p>The standard targets the machines whose unplanned failure would be most dangerous or most expensive \u2014 typically large, high-speed, single-train equipment with no installed spare.<\/p>\n<h3>Covered Equipment<\/h3>\n<ul>\n<li>Steam and gas turbines<\/li>\n<li>Centrifugal and axial compressors<\/li>\n<li>Centrifugal pumps in critical service<\/li>\n<li>Large generators and motors in critical service<\/li>\n<li>Expanders and blowers<\/li>\n<li>Generally, critical turbomachinery across petroleum and power<\/li>\n<\/ul>\n<h3>When It Is Required<\/h3>\n<ul>\n<li>Wherever the purchaser or project specification invokes it \u2014 typically large, unspared, high-consequence machine trains<\/li>\n<li>Critical service (no backup, high consequence of failure)<\/li>\n<li>Contractual requirements between purchaser and vendor<\/li>\n<li>Corporate engineering standards<\/li>\n<li>Often applied voluntarily as recognised best practice<\/li>\n<\/ul>\n<h2>2. Key Requirements<\/h2>\n<p>API 670 prescribes <em>what<\/em> to measure, <em>how many<\/em> sensors to use, and how the alarm and trip functions must behave. The actual setpoint values are not fixed by the standard \u2014 they are established for each machine by the purchaser and OEM, based on the machine&#8217;s design, bearing clearances and rotor-dynamic behaviour. The headline measurements are radial vibration, axial position, a phase reference, and bearing temperature.<\/p>\n<h3>Radial Vibration Monitoring<\/h3>\n<ul>\n<li><strong>Sensors:<\/strong> XY <a href=\"https:\/\/vibromera.eu\/tt\/glossary\/proximity-probe\/\">proximity probe<\/a> pairs at each bearing (a minimum of four probes per machine, two per bearing).<\/li>\n<li><strong>Measurement:<\/strong> shaft <a href=\"https:\/\/vibromera.eu\/tt\/glossary\/displacement\/\">displacement<\/a> relative to the bearing \u2014 the non-contact eddy-current probes watch the shaft itself, not the housing.<\/li>\n<li><strong>Alarm\/Trip:<\/strong> setpoints in <a href=\"https:\/\/vibromera.eu\/tt\/glossary\/peak-to-peak\/\">peak-to-peak<\/a> displacement are machine-specific \u2014 defined by the purchaser and OEM from the bearing clearances and rotor-dynamic analysis, not fixed as universal values by the standard.<\/li>\n<li><strong>Response time:<\/strong> under 1 second from trip detection to shutdown initiation.<\/li>\n<\/ul>\n<h3>Axial Position Monitoring<\/h3>\n<ul>\n<li><strong>Sensors:<\/strong> two axial displacement probes (redundant).<\/li>\n<li><strong>Purpose:<\/strong> monitor <a href=\"https:\/\/vibromera.eu\/tt\/glossary\/thrust-bearing\/\">thrust-bearing<\/a> condition and axial rotor position.<\/li>\n<li><strong>Alarm\/Trip:<\/strong> set according to the available axial clearance.<\/li>\n<\/ul>\n<h3>Phase Reference (Keyphasor)<\/h3>\n<ul>\n<li><strong>Sensors:<\/strong> two <a href=\"https:\/\/vibromera.eu\/tt\/glossary\/keyphasor\/\">keyphasor<\/a> probes (redundant).<\/li>\n<li><strong>Purpose:<\/strong> once-per-revolution timing for <a href=\"https:\/\/vibromera.eu\/tt\/glossary\/phase\/\">phase<\/a> and speed measurement.<\/li>\n<li><strong>Requirement:<\/strong> mandatory for complete rotor analysis \u2014 without it, plots such as Bode, polar and orbit cannot be produced.<\/li>\n<\/ul>\n<h3>Bearing Temperature<\/h3>\n<ul>\n<li><strong>Sensors:<\/strong> two RTDs per bearing (redundant).<\/li>\n<li><strong>Alarm:<\/strong> typically 95\u2013105 \u00b0C.<\/li>\n<li><strong>Trip:<\/strong> typically 110\u2013120 \u00b0C.<\/li>\n<\/ul>\n<h2>3. Redundancy and Voting<\/h2>\n<p>A protection system is only useful if it trips for real faults and stays quiet for false ones. API 670 achieves this balance through redundant sensors feeding voting logic.<\/p>\n<h3>Sensor Redundancy<\/h3>\n<ul>\n<li>A minimum of two sensors for each critical parameter.<\/li>\n<li>Prevents a single-point sensor failure from disabling protection.<\/li>\n<li>Enables voting logic to discriminate genuine events from sensor faults.<\/li>\n<\/ul>\n<h3>Voting Logic<\/h3>\n<ul>\n<li><strong>2-out-of-2 (AND):<\/strong> both sensors must agree before a trip is issued.<\/li>\n<li><strong>2-out-of-3:<\/strong> any two of three sensors trigger action \u2014 the preferred arrangement for the most critical machines.<\/li>\n<li><strong>Purpose:<\/strong> balance nuisance-trip prevention against the need for dependable failure protection.<\/li>\n<\/ul>\n<h3>Monitor Redundancy<\/h3>\n<ul>\n<li>Dual monitor racks are sometimes specified.<\/li>\n<li>Independent power supplies for each channel.<\/li>\n<li>Fail-safe design throughout the chain.<\/li>\n<\/ul>\n<h2>4. System Features and Testing<\/h2>\n<h3>Required Functions<\/h3>\n<ul>\n<li>Real-time displays of all monitored parameters.<\/li>\n<li>Alarm and trip functions with configurable time delays.<\/li>\n<li>Alarm acknowledgement and reset.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/tt\/glossary\/bode-plot\/\">Bode<\/a> and <a href=\"https:\/\/vibromera.eu\/tt\/glossary\/orbit\/\">orbit<\/a> plots for diagnostics.<\/li>\n<li>Event recording and historical archiving.<\/li>\n<li>Diagnostic software tools.<\/li>\n<\/ul>\n<h3>Data Recording<\/h3>\n<ul>\n<li>Continuous trending of all parameters.<\/li>\n<li>Capture of startup and shutdown transients, where many problems first reveal themselves.<\/li>\n<li>Alarm-event data snapshots.<\/li>\n<li>Long-term historical archiving.<\/li>\n<\/ul>\n<h3>Acceptance and Periodic Testing<\/h3>\n<p>API 670 specifies a structured test programme so that the protection is proven before commissioning and stays proven through life:<\/p>\n<ul>\n<li><strong>Factory Acceptance Test (FAT):<\/strong> the complete system is tested before shipment \u2014 all functions verified, calibration confirmed, documentation provided.<\/li>\n<li><strong>Site Acceptance Test (SAT):<\/strong> after installation, a full functional test verifies every sensor channel, exercises the alarm and trip functions, and validates the system against its specification.<\/li>\n<li><strong>Periodic testing:<\/strong> quarterly or annual functional tests confirm the trip circuits still operate, recheck sensor calibration, and keep the documentation current.<\/li>\n<\/ul>\n<h2>5. Revisions, Related Standards, and Field Balancing<\/h2>\n<p>The <strong>5th Edition (2014)<\/strong> modernised the standard for digital systems, added cyber-security requirements, updated sensor specifications, and improved the testing procedures; it is the version most widely implemented today. API 670 also sits within a family of related documents:<\/p>\n<ul>\n<li><strong>API 617:<\/strong> axial and centrifugal compressors.<\/li>\n<li><strong>API 610:<\/strong> centrifugal pumps.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/tt\/glossary\/api-684\/\">API 684<\/a>:<\/strong> rotor-dynamics analysis.<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/tt\/glossary\/iso-7919-1\/\">ISO 7919<\/a>:<\/strong> shaft-vibration limits (the shaft-relative counterpart to housing measurements).<\/li>\n<li><strong><a href=\"https:\/\/vibromera.eu\/tt\/glossary\/iso-20816-1\/\">ISO 20816<\/a>:<\/strong> bearing-housing vibration limits (formerly ISO 10816).<\/li>\n<\/ul>\n<p>It is worth being clear about what API 670 does <em>not<\/em> do: it protects a machine, but it does not correct one. When the permanent system flags a rising 1\u00d7 peak from <a href=\"https:\/\/vibromera.eu\/tt\/glossary\/unbalance\/\">unbalance<\/a>, the fix is still a balancing job, usually performed on site. A portable two-channel analyser such as the <a href=\"https:\/\/vibromera.eu\/tt\/product\/balanset-1\/\">Balanset-1A<\/a> complements an API 670 installation in exactly this gap \u2014 measuring 1\u00d7 amplitude and phase in the machine&#8217;s own bearings, computing the correction weights, and verifying the <a href=\"https:\/\/vibromera.eu\/tt\/glossary\/residual-unbalance\/\">residual unbalance<\/a> after the repair, without disturbing the fixed protection probes.<\/p>\n<p>In sum, API 670 is the cornerstone standard for machinery-protection systems in the petroleum, chemical, and power industries. By specifying sensor configurations, redundancy, alarm and trip functionality, and testing, it ensures consistent, reliable protection across facilities worldwide, preventing catastrophic turbomachinery failures through proven monitoring and automatic shutdown.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/tt\/glossary\/\">\u2190 Back to Main Index<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Learn about API 670, the industry standard for machinery protection systems specifying vibration monitoring, alarm\/trip requirements, and redundancy for critical turbomachinery.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,112],"tags":[],"class_list":["post-20624","glossary","type-glossary","status-publish","hentry","category-glossary","category-iso-standards"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/tt\/wp-json\/wp\/v2\/glossary\/20624","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/tt\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/tt\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":2,"href":"https:\/\/vibromera.eu\/tt\/wp-json\/wp\/v2\/glossary\/20624\/revisions"}],"predecessor-version":[{"id":102153,"href":"https:\/\/vibromera.eu\/tt\/wp-json\/wp\/v2\/glossary\/20624\/revisions\/102153"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/tt\/wp-json\/wp\/v2\/media?parent=20624"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/tt\/wp-json\/wp\/v2\/categories?post=20624"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/tt\/wp-json\/wp\/v2\/tags?post=20624"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}